I-80 weather conditions near Grinnell, Iowa
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 11°F 2025-12-11T03:15:00-06:00 
Overnight 2025-12-11, Mostly Cloudy. Mostly cloudy, with a low around 12. Wind chill values as low as 5. North northwest wind 5 to 7 mph.Thursday 2025-12-11, Slight Chance Snow then Wintry Mix. Snow before 5pm, then a chance of snow and freezing rain. High near 24. Wind chill values as low as 5. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Thursday Night 2025-12-11, Wintry Mix Likely then Mostly Cloudy. Snow and freezing rain likely before 10pm, then a slight chance of snow between 10pm and midnight. Mostly cloudy, with a low around 16. East wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Friday 2025-12-12, Mostly Cloudy. Mostly cloudy, with a high near 24. Wind chill values as low as 5. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.Friday Night 2025-12-12, Mostly Cloudy then Chance Snow. A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 3. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Saturday 2025-12-13, Snow then Chance Snow. Snow, mainly before noon. High near 6. Chance of precipitation is 80%.
Saturday Night 2025-12-13, Mostly Clear. Mostly clear, with a low around -14.
Sunday 2025-12-14, Cold. Sunny and cold, with a high near 4.- Sunday Night 2025-12-14, Mostly Clear. Mostly clear, with a low around -7.
Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 28.- Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 12.
- Tuesday 2025-12-16, Partly Sunny. Partly sunny, with a high near 35.
- Tuesday Night 2025-12-16, Mostly Cloudy. Mostly cloudy, with a low around 25.
- Wednesday 2025-12-17, Partly Sunny. Partly sunny, with a high near 37.